Rename Rendertargets::Count to Rendertargets::Invalid
Rename Rendertargets::Count to Rendertargets::Invalid

turol/smaaDemo,turol/smaaDemo,turol/smaaDemo,turol/smaaDemo,turol/smaaDemo,turol/smaaDemo,turol/smaaDemo,turol/smaaDemo,turol/smaaDemo,turol/smaaDemo,turol/smaaDemo